M0-M11 狩夜人笔记初始实现：11里程碑+86测试

2026-08-24 20:35:22 +08:00
commit 3ebd33536b
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+import { create } from 'zustand';
+
+export interface Tab { id: string; path: string; pinned: boolean; scrollTop: number; }
+
+interface TabState {
+  tabs: Tab[];
+  activeId: string | null;
+  openTab: (path: string) => void;
+  closeTab: (id: string) => void;
+  setActive: (id: string) => void;
+  togglePin: (id: string) => void;
+  activePath: () => string | null;
+  persist: () => void;
+  restore: () => void;
+}
+
+const SESSION_KEY = 'dsh-session';
+
+export const useTabs = create<TabState>((set, get) => ({
+  tabs: [],
+  activeId: null,
+
+  openTab: (path) => {
+    const existing = get().tabs.find(t => t.path === path);
+    if (existing) { set({ activeId: existing.id }); return; }
+    const id = 'tab-' + Date.now() + '-' + Math.random().toString(36).slice(2, 6);
+    set(s => ({ tabs: [...s.tabs, { id, path, pinned: false, scrollTop: 0 }], activeId: id }));
+    get().persist();
+  },
+
+  closeTab: (id) => {
+    const { tabs, activeId } = get();
+    const idx = tabs.findIndex(t => t.id === id);
+    const remaining = tabs.filter(t => t.id !== id);
+    let newActive = activeId;
+    if (activeId === id) {
+      // 切到相邻（优先未固定的相邻）
+      const neighbor = remaining[idx] ?? remaining[idx - 1] ?? remaining[remaining.length - 1];
+      newActive = neighbor?.id ?? null;
+    }
+    set({ tabs: remaining, activeId: newActive });
+    get().persist();
+  },
+
+  setActive: (id) => { set({ activeId: id }); get().persist(); },
+
+  togglePin: (id) => {
+    set(s => {
+      const tabs = s.tabs.map(t => t.id === id ? { ...t, pinned: !t.pinned } : t);
+      // 固定的排前
+      tabs.sort((a, b) => (a.pinned === b.pinned ? 0 : a.pinned ? -1 : 1));
+      return { tabs };
+    });
+    get().persist();
+  },
+
+  activePath: () => { const { tabs, activeId } = get(); return tabs.find(t => t.id === activeId)?.path ?? null; },
+
+  persist: () => {
+    const { tabs, activeId } = get();
+    try { localStorage.setItem(SESSION_KEY, JSON.stringify({ tabs, activeId })); } catch {}
+  },
+
+  restore: () => {
+    try {
+      const raw = localStorage.getItem(SESSION_KEY);
+      if (!raw) return;
+      const saved = JSON.parse(raw);
+      set({ tabs: saved.tabs ?? [], activeId: saved.activeId ?? null });
+    } catch {}
+  },
+}));